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GET ADDITIONAL DATA HERE!

pyraclostrobin (Ref: BAS 500F)
** Translations

Environmental Fate - Ecotoxicology - Human Health - A to Z Index - Home

GENERAL INFORMATION Click here for an explantaion of the general chemical status information
for pyraclostrobin

Description: A fungicide used to control major plant pathogens in cereals and other crops

Example pests controlled: Septoria tritici; Puccinia spp.; Pyrenophora teres

Example applications: Cereals including wheat, barley, oats; forage & grain maize, triticale; Sugarbeet; Vegetables including brassicas, carrot; beans, vining peas; Fruit including strawberry, blackcurrants

Efficacy & activity: Wheat/Eyespot=Low; Wheat/Mildew=Low; Wheat/Septoria=Low; Wheat/Rust=High; Corn/Leaf blight=High; Corn/Rust=High; Corn/Eyespot=High; Soybean/Blight=High; Soybean/Anthracnose=High; Soybean/Brown spot=Moderate; Soybean/Leaf blight=Moderate; Soybean/Rust=High

Availability status: Current

Introduction & key dates: 2000, first reported

EC Regulation 1107/2009 (repealing 91/414):
Status Approved
Dossier rapporteur/co-rapporteur Germany/Hungary
Date inclusion expires 31/01/2019
EU Candidate for substitution (CfS) No
Listed in EU database Yes

Approved for use () or known to be used () in the following European countries: Click to access a note on the approvals information on this site

AT

BE

BG

CY

CZ

DE

DK

EE

EL

ES

FI

FR

HR

HU

IE

IT

LT

LU

LV

MT

NL

PL

PT

RO

SE

SI

SK

UK

Also used in: Australia

Chemical structure: Click here for further information on the general chemical status information used on this site
Isomerism -
Chemical formula C19H18CIN3O4
Canonical SMILES COC(=O)N(C1=CC=CC=C1COC2=NN(C=C2)C3=CC=C(C=C3)Cl)OC
Isomeric SMILES No data
International Chemical Identifier key (InChIKey) HZRSNVGNWUDEFX-UHFFFAOYSA-N
International Chemical Identifier (InChI) InChI=1S/C19H18ClN3O4/c1-25-19(24)23(26-2)17-6-4-3-5-14(17)13-27-18-11-12-22(21-18)16-9-7-15(20)8-10-16/h3-12H,13H2,1-2H3
2D structure diagram/image available? Yes

General status: Click here for further information on the general chemical status information used on this site
Pesticide type Fungicide
Substance group Strobilurin
Minimum active substance purity 975 g/kg
Known relevant impurities EU dossier - None declared
Substance origin Synthetic
Mode of action Protective and curative action. Respiration inhibitor (QoL fungicide).
CAS RN 175013-18-0
EC number -
CIPAC number 657
US EPA chemical code 099100
PubChem CID 6422843
Molecular mass (g mol-1) 387.8
PIN (Preferred Identification Name) -
IUPAC name methyl {2-[1-(4-chlorophenyl)pyrazol-3-yloxymethyl]phenyl}(methoxy)carbamate
CAS name methyl (2-(((1-(4-chlorophenyl)-1H-pyrazol-3-yl)oxy)methyl)phenyl)methoxycarbamate
Other status information -
Relevant Environmental Water Quality Standards -
Herbicide Resistance Classification (HRAC) Not applicable
Herbicide Resistance Classification (WSSA) Not applicable
Insecticide Resistance Classification (IRAC) Not applicable
Fungicide Resistance Classification (FRAC) 11
Examples of recorded resistance -
Physical state White to light beige crystalline solid
Related substances & organisms

Formulations:
Property Click here for information on the general product and branding information used on this site Value
Example manufacturers & suppliers of products using this active now or historically
  • BASF
  • Vitax
  • Rigby Taylor
Example products using this active
  • Comet
  • Flyer
  • Gemstone
  • Platoon 250
  • Vivid
  • Tucana
UK LERAP status Buffer probably required in UK - see product label
Formulation and application details Often supplied as an emulsifiable concentrate that is mixed with water and used as a spray.


ENVIRONMENTAL FATE

for pyraclostrobin

Property Click here for information on the parameters used to describe environmental fate on this site Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with fate data Interpretation Click here for information on the way in which we interpret environmental fate data
Solubility - In water at 20oC (mg l-1) 1.9 A5 Low
Solubility - In organic solvents at 20oC (mg l-1) 3700 A5 - n-Heptane -
24200 A5 - Octanol -
500000 A5 - Acetone -
100800 A5 - Methanol -
Melting point (oC) 64.5 A5 -
Boiling point (oC) Decomposes before boiling A5 -
Degradation point (oC) 200 A5 -
Flashpoint (oC) Not expected to self ignite; Not highly flammable A5 -
Octanol-water partition coefficient at pH 7, 20oC P 9.77 X 1003 Calculated -
Log P 3.99 A5 High
Bulk density (g ml-1)/Specific gravity 1.37 A5 -
Dissociation constant (pKa) at 25oC Not applicable A5 -
Note: No dissociation
Vapour pressure at 20oC (mPa) 2.60 X 10-05 A5 Low volatility
Henry's law constant at 25oC (Pa m3 mol-1) 5.31 X 10-06 A5 Non-volatile
GUS leaching potential index Click here for a note on the limitations of the GUS index 0.06 Calculated Low leachability
SCI-GROW groundwater index (μg l-1) for a 1 kg ha-1 or 1 l ha-1 application rate Click here for a note on the limitations of the SCI-GROW index Value 5.52 X 10-03 Calculated -
Note -
Potential for particle bound transport index Click here for a note on the limitations of the potential for particle bound transport index - Calculated Medium
Maximum UV-vis absorption L mol-1 cm-1 205nm = 2500, 275nm = 2400 A5 -
Surface tension (mN m-1) - - -

Degradation:
Property Click here for information on the parameters used to describe substance degradation Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with degradation data Interpretation Click here for information on the way in which we interpret substance degradation data
General biodegradability -
Soil degradation (days) (aerobic) DT50 (typical) 32 A5 Moderately persistent
DT50 (lab at 20oC) 62 A5 Moderately persistent
DT50 (field) 32 A5 Moderately persistent
DT90 (lab at 20oC) 153 A5 -
DT90 (field) 157 A5 -
DT50 modelling endpoint - - -
Note EU dossier lab studies DT50 range 12-101 days 5 soils, DT90 range 143-163 days, field studies range 8-55 days, DT90 range 83-230 days
Dissipation rate RL50 on plant matrix Value 3.7 R4 -
Note Published literature RL50 range 3.1-4.3 days, 3 field & undercover grown crops, various matrices, n=3
Dissipation rate RL50 on and in plant matrix Value 4.7 R4 -
Note Published literature RL50 range 2.7-10.1 days, 5 field & undercover grown crops, various matrices, n=6
Aqueous photolysis DT50 (days) at pH 7 Value 1.7 A5 Moderately fast
Note -
Aqueous hydrolysis DT50 (days) at 20oC and pH 7 Value Stable A5 -
Note Stable pH 5 to pH 9 at 25 degC
Water-sediment DT50 (days) 28 A5 Fast
Water phase only DT50 (days) 2 A5 Moderately fast

Soil adsorption and mobility:
Property Click here for information on the parameters used to describe substance adsorption and mobility Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with adsorption and mobility data Interpretation Click here for information on the way in which we interpret substance adsorption and mobility
Linear Kd 160 A4 Non-mobile
Koc 9304
Notes and range EU dossier Kd range 30-368 mL/g, Koc range 6000-16000 mL/g, Soils=6
Freundlich Kf 145 A5 Non-mobile
Kfoc 9315
1/n 0.830
Notes and range EU dossier Kf range 47-354 mL/g; Kfoc range 4240-12000 mL/g, 1/n range 0.773-0.942, Soils=6
pH sensitivity No

Key metabolites:
Metabolite Formation medium Estimated maximum occurrence fraction 1107/2009 relevancy Click here for further information on 1107/2009 relevancy
Ref: BAS 500-6 This metabolite may cause environmental pollution, click here for further information Soil   0.310   Major fraction, Relevant
methyl N-(2((1-(4-chlorophenyl)-1H-pyrazol-3-yl)oxymethyl) phenyl)carbamate (Ref: BAS 500-7) This metabolite may cause environmental pollution, click here for further information Soil   0.130   Major fraction, Relevant

Other known metabolites:
Metabolite name and reference Aliases Formation medium / Rate Estimated maximum occurrence fraction Metabolising enzymes
(Ref: BF500-11) - Water; Sediment - -
(Ref: BF500-13) - Water; Sediment - -
(Ref: BF500-14) - Water; Sediment - -
(Ref: BF500-16) - Animal - -
methyl-N-[[[1-(4-chlorophenyl)-pyrazol-3-yl]oxy]-o-tolyl]carbamate
(Ref: BF500-3)
500M07 a = Soil (Anerobic); b = Water (Photolysis); c= rat; d = Animal; e = Plant a=0.958; b=0.180 -
1 -(4-chloropheny1)-1H-pyrazol-3-ol
(Ref: BF500-5)
500M04 Rat; Plant; Animal - -
(Ref: BF500-6) - a = Water (Photolysis); b = Animal a=0.178 -
1-(4-chloro-2-hydroxyphenyl)-1H-pyrazol-3-ol
(Ref: BF500-8)
- Animal - -


ECOTOXICOLOGY

for pyraclostrobin

Property Click here for information on the parameters used to describe substance ecotoxicology Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with ecotoxicology data Interpretation Click here for information on the way in which we interpret substance ecotoxicology
Bio-concentration factor BCF (l kg-1) 706 A5 Whole fish Threshold for concern
CT50 (days) Not available -
Mammals - Acute oral LD50 (mg kg-1) > 5000 A5 Rat Low
Mammals - Short term dietary NOEL (mg kg-1) - - -
(ppm diet) - -
Birds - Acute LD50 (mg kg-1) > 2000 A5 Colinus virginianus Low
Birds - Short term dietary (LC50/LD50) > 5000 mg kg feed-1 A4 Anas platyrhynchos -
Fish - Acute 96 hour LC50 (mg l-1) 0.006 A5 Oncorhynchus mykiss High
Fish - Chronic 21 day NOEC (mg l-1) 0.005 A5 Oncorhynchus mykiss High
Aquatic invertebrates - Acute 48 hour EC50 (mg l-1) 0.016 A5 Daphnia magna High
Aquatic invertebrates - Chronic 21 day NOEC (mg l-1) 0.004 A5 Daphnia magna High
Aquatic crustaceans - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Acute 96 hour LC50 (mg l-1) - - -
Sediment dwelling organisms - Chronic 28 day NOEC, static, water (mg l-1) 0.04 A5 Chironomus riparius Moderate
Sediment dwelling organisms - Chronic 28 day NOEC, sediment (mg kg-1) - - -
Aquatic plants - Acute 7 day EC50, biomass (mg l-1) 1.72 F4 Lemna gibba Moderate
Non-target plants - - -
- - -
Algae - Acute 72 hour EC50, growth (mg l-1) > 0.843 A4 Pseudokirchneriella subcapitata, 72 hour Moderate
Algae - Chronic 96 hour NOEC, growth (mg l-1) - - -
Honeybees Contact acute 48 hour LD50 (μg bee-1) > 100 A5 Low
Oral acute 48 hour LD50 (μg bee-1) > 73.1 A5 Moderate
Unknown mode acute 48 hour LD50 (μg bee-1) - - -
Earthworms - Acute 14 day LC50 (mg kg-1) 567 A5 Eisenia foetida Moderate
Earthworms - Chronic 14 day NOEC, reproduction (mg kg-1) 0.443 A5 Eisenia foetida Moderate
Other soil macro-organisms - e.g. Collembola LR50 / EC50 / NOEC / % Effect - - -
Other arthropod (1) LR50 g ha-1 - - -
% Effect 30
80
Mortality
Reproduction
Dose: 0.32 kg ha-1
A5 Aphidius rhopalosiphi, adult
-
Other arthropod (2) LR50 g ha-1 - - -
% Effect 47.3
99
Mortality
Reproduction
Dose: 0.32 kg ha-1
A5 Typhlodromus pyri, protonymph
-
Soil micro-organisms Nitrogen mineralisation: No significant adverse effect
Carbon mineralisation: No significant adverse effect
A5
Dose: 2.5 kg ha-1
-
Mesocosm study data NOEAEC mg l-1 - - -
NOEAEC mg l-1 - - -


HUMAN HEALTH AND PROTECTION

for pyraclostrobin

General:
Property Click here for information on the parameters used to describe human health and protection issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with human health and protection data Interpretation Click here for information on the way in which we interpret human health and protection data
Threshold of Toxicological Concern (Cramer Class) Click here for a note on the limitations of the Cramer class High (class III) - -
Mammals - Acute oral LD50 (mg kg-1) > 5000 A5 Rat Low
Mammals - Dermal LD50 (mg kg-1 body weight) > 2000 A5 Rat -
Mammals - Inhalation LC50 (mg l-1) 0.69 A5 Rat -
Other Mammal toxicity endpoints - -
ADI - Acceptable Daily Intake (mg kg-1bw day-1) 0.03 A5 Rat, SF=100 -
ARfD - Acute Reference Dose (mg kg-1bw day-1) 0.03 A5 Rabbit, SF=100 -
AAOEL - Acute Acceptable Operator Exposure Level (mg kg-1 bw day-1) - - -
AOEL - Acceptable Operator Exposure Level - Systemic (mg kg-1bw day-1) 0.015 A3 Rabbit, SF=100 -
Dermal penetration studies (%) 1.0 A5 -
Dangerous Substances Directive 76/464 - - -
Exposure Limits - - -
Exposure Routes Public No unacceptable risks to bystanders identified
Occupational No unacceptable risks to operators or other workers identified
European MRLs Click here for the EU MRL pesticide database
Drinking Water Standards - - -
Drinking Water MAC (μg l-1) - - -

Health issues:
Carcinogen Mutagen Endocrine disrupter Reproduction / development effects Cholinesterase inhibitor Neurotoxicant

-

-

Respiratory tract irritant Skin irritant Skin sensitiser Eye irritant Phototoxicant

-

-

General human health issues No further information available

: Yes, known to cause a problem
: No, known not to cause a problem
: Possibly, status not identified
- : No data found

Handling issues:
Property Click here for information on the parameters used to describe substance handling issues Value Source/Quality Score/Other Information Click here for information on the primary data sources used to populate this database with data on handling issues Interpretation Click here for information on the way in which we interpret data on handling issues
General Click here for a description of the International Maritime Dangerous Goods (IMDG) codes Not explosive or oxidising
IMDG Transport Code is variable depending upon product, often either 6.1 or 9
CLP classification 2013 Health: H315, H331
Environment: H400, H410
EC Risk Classification Click here to view information omn the EU risk phrases Xi - Irritant: R38
N - Dangerous for the environment: R51, R53
EC Safety Classification Click here to view information omn the EU safety phrases -
WHO Classification NL - Not listed
US EPA Classification (formulation) No consensus across products or no products available - -
UN Number 3082
Waste disposal & packaging Click here for a description of UN packaging marks Packaging Group III (minor danger)


TRANSLATIONS

for pyraclostrobin

Language Name
English pyraclostrobin
French pyraclostrobine
German Pyraclostrobin
Danish pyraclostrobin
Italian pyraclostrobin
Spanish piraclostrobina
Greek -
Slovenian piraklostrobin
Polish pyraklostrobina
Swedish pyraklostrobin
Hungarian -
Dutch pyraclostrobin

Record last updated: Thursday 23 August 2018
Contact: aeru@herts.ac.uk